Abstract
In this paper, a model of double porosity for a fractured porous medium using a combination of classical and gradient functions of mass transfer between the cracks and porous blocks in a weakly compressible single-phase fluid flow is considered. As compared to the wellknown models, the model with such a mass transfer function allows one to take into account the anisotropic properties of filtration in a more general form. The results of numerical tests for two- and three-dimensional model problems are presented. The computational algorithm is based on a finite element approximation with respect to space and a completely implicit approximation with respect to time.
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This work was supported by the Russian Science Foundation, project no. 15-11-10024.
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Original Russian Text © A.V. Grigoriev, Yu.M. Laevsky, P.G. Yakovlev, 2018, published in Sibirskii Zhurnal Vychislitel’noi Matematiki, 2018, Vol. 21, No. 2, pp. 155–169.
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Grigoriev, A.V., Laevsky, Y.M. & Yakovlev, P.G. On a Double Porosity Model of Fractured-Porous Reservoirs Based on a Hybrid Flow Function. Numer. Analys. Appl. 11, 121–133 (2018). https://doi.org/10.1134/S1995423918020039
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DOI: https://doi.org/10.1134/S1995423918020039